- Blechnum L.
- Blechnum appendiculatum Willd.
- Blechnum chordatum (Desv.) Hieron.
- Blechnum divergens (Kunze) Mett.
- Struthiopteris exaltata (F?e) Broadh.
- Blechnum fragile (Liebm.) Morton & Lellinger
- Blechnum polypodioides (Sw.) Kuhn
- Struthiopteris polypodioides (Sw.) Trev.
- Blechnum insularum Morton & Lellinger
- Blechnum lineatum (Sw.) C. Christens.
- Struthiopteris lineata (Sw.) Broadh.
- Blechnum occidentale L.
- Blechnum occidentale L. var. minor Hook.
- Blechnum polypodioides Raddi
- Blechnum unilaterale Sw.
- Blechnum serrulatum L.C. Rich.
- Blechnum indicum auct. non Burm. [misapplied]
- Blechnum spicant (L.) Sm.
- Blechnum spicant (L.) Sm. ssp. nipponicum auct. non (Kunze) A.& D. L?ve [misapplied]
- Blechnum spicant (L.) Sm. var. elongatum (Hook.) Boivin
- Lomaria spicant (L.) Desv.
- Osmunda spicant L.
- Struthiopteris spicant (L.) Weiss
- Blechnum underwoodianum (Broadh.) C. Christens. [excluded]
- Struthiopteris underwoodiana Broadh. [excluded]
- Blechnum vulcanicum (Bl.) Kuhn
- Doodia R. Br.
- Doodia kunthiana Gaud.
- Doodia lyonii O. Deg.
- Sadleria Kaulfuss
- Sadleria cyatheoides Kaulfuss
- Sadleria pallida Hook. & Arn.
- Sadleria hillebrandii W.J. Robins.
- Sadleria souleyetiana (Gaud.) T. Moore
- Sadleria squarrosa (Gaud.) T. Moore
- Sadleria polystichoides (Brack.) Heller
- Sadleria unisora (Baker) W.J. Robins.
- Stenochlaena J. Sm.
- Stenochlaena tenuifolia (Desv.) T. Moore
- Lomaria tenuifolia Desv.
- Lomariopsis tenuifolia (Desv.) Christ
- Woodwardia Sm.
- Woodwardia areolata (L.) T. Moore
- Lorinseria areolata (L.) K. Presl
- Woodwardia fimbriata Sm.
- Woodwardia chamissoi Brack.
- Woodwardia radicans (L.) J. Sm.
- Woodwardia virginica (L.) Sm.
- Anchistea virginica (L.) K. Presl
- midsorus fern
- palm fern
- Chilean hard fern
- ravine midsorus fern
- Blechnum divergens
- fragile midsorus fern
- Blechnum fragile
- graceful midsorus fern
- rockbank midsorus fern
- Blechnum lineatum
- 